the Sent button is not showing

Hello

When I want to add Contact Form 7 to my page, the Sent button is not showing!

How can I solve this problem?

Thank you

<label> Your Name (required)
    [text* your-name] </label>

<label> Your Email Address (required)
    [email* your-email] </label>

<label> Subject
    [text your-subject] </label>

<label> Your Message
    [textarea your-message] </label>

[submit "Send"]